Instruction Manual

PM-PV-D4251/N4551/D5251 User Manual
Page 21
Pin Description Pin Description
17 GND 42
IDE_IORDY#
18 A2 43
IDE_REQ
19 A1 44
IDE_DACK#
20 A0 45
BVD2
21 D0 46
BVD1
22 D1 47
D8
23 D2 48
D9
24 N/C 49
D10
25 CD2# 50
GND
Table 3-4: CompactFlash® Slot Pinouts
3.2.4 Digital I/O Connector
CN Label: DIO1
CN Type:
10-pin header (2x5)
CN Location:
See
Figure 3-6
CN Pinouts:
See
Table 3-5
The digital I/O connector provides programmable input and output for external devices.
The digital I/O provides 4-bit output and 4-bit input.
Figure 3-6: Digital I/O Connector Locations